Time's Arrow, December 11, 1997

This is the concert program of the Time's Arrow performance on Thursday, December 11, 1997 at 8:00 p.m., at the Tsai Performance Center, 685 Commonwealth Avenue. Works performed were Brandenburg Concerto No. 4, BWV 1049 by Johann Sebastian Bach, Concerto in E-flat for Chamber Orchestra "Dumbarton Oaks" by Igor Stravinsky, KammerKonzert by György Ligeti, and Brandenburg Concerto No. 3, BWV 1048 by J. S. Bach. Digitization for Boston University Concert Programs was supported by the Boston University Humanities Library Endowed Fund

Guest Artist Concert Early Music Series: Richard Boothby, viola da gamba, Shalev Ad-El, harpsichord, January 13, 1998

This is the concert program of the Guest Artist Concert Early Music Series: Richard Boothby, viola da gamba, Shalev Ad-El, harpsichord performance on Tuesday, January 13, 1998 at 8:00 p.m., at the Tsai Performance Center, 685 Commonwealth Avenue. Works performed were Sonata for Viola da Gamba and Obligato Harpsichord No. 1 in G major, BWV 1027 by Johann Sebastian Bach, Toccata in E minor for Harpsichord, BWV 914 by J. S. Bach, Sonata for Viola da Gamba and Obligato Harpsichord No. 2 in D major, BWV 1028 by J. S. Bach, Sonata for Viola da Gamba and Obligato Harpsichord No. 3 in G minor, BWV 1029 by J. S. Bach, Toccata in D minor for Harpsichord, BWV 913 by J. S. Bach, and Prélude, Fantaisie, Plainte et Charivari by Marin Marais. Digitization for Boston University Concert Programs was supported by the Boston University Humanities Library Endowed Fund

Boston University Wind Ensemble, April 8, 1989

This is the concert program of the Boston University Wind Ensemble performance on Saturday, April 8, 1989 at 8:00 p.m., at the Tsai Performance Center, 685 Commonwealth Avenue. Works performed were Two Marches for the Sultan Abdul Medjid: Tempo di marcia by Gaetano Donizetti and Allegro vivace by Gioacchino Rossini, Trevelyan Suite by Malcom Arnold, Sinfonia NO. 4 by Walter S. Hartley, Variations on America by Charles Ives, Six Sonatas by Carl Philipp Emanuel Bach, and Symphonic Songs for Band by Robert Russell Bennett. Digitization for Boston University Concert Programs was supported by the Boston University Humanities Library Endowed Fund

Symplectic harmonicity and generalized coeffective cohomologies

Relations between the symplectically harmonic cohomology and the coeffective cohomology of a symplectic manifold are obtained. This is achieved through a generalization of the latter, which in addition allows us to provide a coeffective version of the filtered cohomologies introduced by C.-J. Tsai, L.-S. Tseng and S.-T. Yau. We construct closed (simply connected) manifolds endowed with a family of symplectic forms $\omega_t$ such that the dimensions of these symplectic cohomology groups vary with respect to $t$. A complete study of these cohomologies is given for 6-dimensional symplectic nilmanifolds, and concrete examples with special cohomological properties are obtained on an $8$-dimensional solvmanifold and on 2-step nilmanifolds in higher dimensions.Comment: 25 pages; revised version, new Theorem 5.7 and Section 8 added, references update

Superstable cycles for antiferromagnetic Q-state Potts and three-site interaction Ising models on recursive lattices

We consider the superstable cycles of the Q-state Potts (QSP) and the three-site interaction antiferromagnetic Ising (TSAI) models on recursive lattices. The rational mappings describing the models' statistical properties are obtained via the recurrence relation technique. We provide analytical solutions for the superstable cycles of the second order for both models. A particular attention is devoted to the period three window. Here we present an exact result for the third order superstable orbit for the QSP and a numerical solution for the TSAI model. Additionally, we point out a non-trivial connection between bifurcations and superstability: in some regions of parameters a superstable cycle is not followed by a doubling bifurcation. Furthermore, we use symbolic dynamics to understand the changes taking place at points of superstability and to distinguish areas between two consecutive superstable orbits.Comment: 12 pages, 5 figures. Updated version for publicatio

Faculty concert: Anthony di Bonaventura, piano, March 25, 1998

This is the concert program of the Faculty Concert: Anthony di Bonaventura, piano performance on Wednesday, March 25, 1998 at 8:00 p.m., at the Tsai Performance Center, 685 Commonwealth Avenue. Works performed were Concerto in D major after Vivaldi, BWV 972 by Johann Sebastian Bach, Organ Toccata in C major, BWV 564 by J. S. Bach-Ferruccio Busoni, Nocturne in E-flat major, Op. 55 No. 2 by Fryderyk Chopin, Polonaise in F-sharp minor, Op. 44 by F. Chopin, Nocturne in D-flat major by Claude Debussy, Masques by C. Debussy, La plus que lente by C. Debussy, and Three Movements from "Petrouchka" by Igor Stravinsky. Digitization for Boston University Concert Programs was supported by the Boston University Humanities Library Endowed Fund

Boston University Music Organizations presents The Concert Band and The Percussion Ensemble, April 29, 1992

This is the concert program of the Boston University Concert Band and Percussion Ensemble performance on Wednesday, April 29, 1992 at 8:00 p.m., at the Tsai Performance Center, 685 Commonwealth Avenue. Works performed were Prelude and Fugue in G Minor by Johann Sebastian Bach (arr. Moehlmann), Childrens March "Over the Hills and Far Away" by Percy Aldridge Grainger, Toccata Without Instruments by Ramon Meyer, Sea Songs by Ralph Vaughan Williams, Toccata by Carlos Chavez, Music for Pieces of Wood by Steve Reich, Lift Off! by Russell Peck, Air by J. S. Bach (arr. Winterbottom), Norwegian March "Valdres" by Johannes Hanssen, Variatios on a Korean Folk Song by John Barnes Chance, and Bugler's Holiday by Leroy Anderson. Digitization for Boston University Concert Programs was supported by the Boston University Humanities Library Endowed Fund

Mozart Requiem: Boston University Chorus and Chamber Orchestra, November 19, 1990

This is the concert program of the Mozart Requiem: Boston University Chorus and Chamber Orchestra performance on Monday, November 19, 1990 at 8:00 p.m., at the Tsai Performance Center, 685 Commonwealth Avenue, Boston, Massachusetts. The work performed was Requiem in D minor, K. 626 by Wolfgang Amadeus Mozart. Digitization for Boston University Concert Programs was supported by the Boston University Humanities Library Endowed Fund